With the basic design capable of mix'n match permutations, your basket case may not be all it seems. The barrel should be the so called thick flange type, and the crankshaft should be the big journal variant, identify in situ by three radial bolts holding the flywheel. Casting number on the iron head to match the barrel is 1066. Crank and barrel are still the bits most popular wit hooligans, just as back in the day, along with the desirable alloy head.
Swarfy.